Atomic Structure and Isotopes Flashcards
1
Q
Isotopes
A
Atoms with the same number of protons but different numbers of neutrons (and therefore mass numbers).
2
Q
Configuration Exceptions
A
Chromium, Cr - 1s2 2s2 2p6 3s2 3p6 3d5 4s1
Copper, Cu - 1s2 2s2 2p6 3s2 3p6 3d10 4s1